feat($translate) dynamic fallback language setting at runtime
feat($translate) fallback language starting point setter
chore(config) change gitignore to ignore IDEA profile settings
Merge pull request #335 from tspaeth/doc-updates-20

docs(translateDirective): adds German docs for custom translate-value-* ...
docs($translate): adds german docs for async $translate service
Merge pull request #329 from tspaeth/canary2014

changing fallback languages at runtime
docs($translate): fixes ngdoc annotation
chore(grunt): prepare doc generation to point to right files
docs($translate): documents determinePreferredLanguage method
docs(*): style tuning
docs(multiLanguage): add German docs for automatic preferred language determination